mmc/styles.css

* {
    box-sizing: border-box;
    padding: 0;
    margin: 0
}

body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #ECECEB;

}

.grid-item {
    display: flex;
    flex-direction: column;
    background-color: #FFFFFE;
    border: 1px solid #666;
    padding: 1em;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    grid-template-rows: auto repeat(3, 1fr) auto;
    margin: 1em;
    height: 92svh;
    grid-template-areas:
        "header header header header header header header header header header"
        "kp kp ka ka vp vp bs bs be be"
        "kp kp kr kr vp vp de de be be"
        "mb mb mb mb mb if if if if if"
        "footer footer footer footer footer footer footer footer footer footer";
}

header {
    grid-area: header;
    font-size: 2em;
    font-weight: bold;
}

footer {
    grid-area: footer;
}

footer span {
    text-transform: uppercase;
    font-weight: bold;
}

#kp {
    grid-area: kp;
}

#ka {
    grid-area: ka;
}

#vp {
    grid-area: vp;
}

#bs {
    grid-area: bs;
}

#be {
    grid-area: be;
}

#kr {
    grid-area: kr;
}

#de {
    grid-area: de;
}

#mb {
    grid-area: mb;
}

#if {
    grid-area: if;
}

.e {
    width: 100%;
    height: 100%;
    outline: none;
}

h2 {
    padding-bottom: 0.5em;
    font-size: clamp(1.4dvw, 1rem, 1rem);
}

h2 img {
    height: 1em;
    float: right;
}

.hi {
    box-shadow: inset 0 0 1em #F0F7;
}

.lo {
    opacity: 0.5
}

.grid-item:has(*:focus) {
    box-shadow: inset 0 0 1em #F0F7;
}